/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendDocument.h
FMetasoundFrontendClassName ( const [FName](API\Runtime\Core\UObject\FName) & InNamespace, const [FName](API\Runtime\Core\UObject\FName) & InName, const [FName](API\Runtime\Core\UObject\FName) & InVariant )